porkmeatballs Posted April 10, 2017 Report Share Posted April 10, 2017 Hey guys I just recently tried to make a mold with Oomoo 30 silicone. I hadn't run into any problems before, but when I went to open a new bottle of part A (the pink stuff), it was extremely thick. I mixed it for a long time, but it refused to soften. I still tried to make the mold but it was so bad that I decided to open a different bottle of the part A. It had the same problem. Again, I tried to make a mold and it failed miserably. Did I get a defective batch of silicone? Can this be fixed? Please help! Quote Link to comment Share on other sites More sharing options...
mark poulson Posted April 10, 2017 Report Share Posted April 10, 2017 12 hours ago, porkmeatballs said: Hey guys I just recently tried to make a mold with Oomoo 30 silicone. I hadn't run into any problems before, but when I went to open a new bottle of part A (the pink stuff), it was extremely thick. I mixed it for a long time, but it refused to soften. I still tried to make the mold but it was so bad that I decided to open a different bottle of the part A. It had the same problem. Again, I tried to make a mold and it failed miserably. Did I get a defective batch of silicone? Can this be fixed? Please help! Contact the manufacturer and discuss it with them first. If they had a bad batch they would know, and, hopefully, they would help you. That doesn't sound right. When I used two part silicone (one time because I am cheap), the stuff seemed kind of thick until I added the catalyst, and mixed it really well. Even then, it was like thin honey when I poured it into my mold, but it worked. Quote Link to comment Share on other sites More sharing options...
porkmeatballs Posted April 10, 2017 Author Report Share Posted April 10, 2017 Yeah I don't think the part A should be the consistency of slightly chewed bubble gum.... I was kinda bummed because that silicone isn't cheap! I'll probably try to contact them and see if they'll refund me... Quote Link to comment Share on other sites More sharing options...
porkmeatballs Posted April 10, 2017 Author Report Share Posted April 10, 2017 Well, I just contacted Amazon (that's where i bought it from) and they said they'll refund me! They're going to let me exchange both defective boxes of silicone for two new ones. We'll see if the new ones are any better. 1 Quote Link to comment Share on other sites More sharing options...
mark poulson Posted April 11, 2017 Report Share Posted April 11, 2017 20 hours ago, porkmeatballs said: Well, I just contacted Amazon (that's where i bought it from) and they said they'll refund me! They're going to let me exchange both defective boxes of silicone for two new ones. We'll see if the new ones are any better. I would go a step farther, and contact the manuf. It may be that the stock on Amazon is old, and that's why it's on there. Old two part systems can have one part that has begun to change chemically, and that's why it's on Amazon now. The manuf. sells off the older stock before it goes bad to places that sell on Amazon. If the new stuff is still a problem, I'd suggest that you not buy that kind of stuff off of Amazon. Fresh is really important. 1 Quote Link to comment Share on other sites More sharing options...
porkmeatballs Posted April 11, 2017 Author Report Share Posted April 11, 2017 Yeah, I'll check this batch to see if it's still good. If not I guess I won't buy any more from amazon... Quote Link to comment Share on other sites More sharing options...
porkmeatballs Posted April 12, 2017 Author Report Share Posted April 12, 2017 Alright just poured the new mold! So far so good! The part A was a lot better than the last batch! 1 Quote Link to comment Share on other sites More sharing options...
porkmeatballs Posted April 12, 2017 Author Report Share Posted April 12, 2017 The mold turned out great! I just poured a few new baits. 1 Quote Link to comment Share on other sites More sharing options...
Sonny.Barile Posted April 13, 2017 Report Share Posted April 13, 2017 It is old stock. That stuff has a shelf life. I bought some a while back and used half. I sealed up the containers and left them for about 6 months. When I opened them up again I had the same thing you described. 1 Quote Link to comment Share on other sites More sharing options...
porkmeatballs Posted April 13, 2017 Author Report Share Posted April 13, 2017 I'm pretty sure that unopened silicone will keep for a long time. I hadn't opened the silicone yet, so it should have been fine.... Just my thoughts Quote Link to comment Share on other sites More sharing options...
mark poulson Posted April 14, 2017 Report Share Posted April 14, 2017 I've tried to use caulking gun tubes of 100% GE clearseal that had been sitting, unopened, for more than a year. They were solid. I use that kind of stuff as soon as I buy it now, and buy more when I need it, instead of buying in large quantities. 1 Quote Link to comment Share on other sites More sharing options...
porkmeatballs Posted April 14, 2017 Author Report Share Posted April 14, 2017 Interesting... Well I guess I should check out all the other boxes of silicone that I got a while back Thanks for sharing! Quote Link to comment Share on other sites More sharing options...
mark poulson Posted April 14, 2017 Report Share Posted April 14, 2017 9 hours ago, porkmeatballs said: Interesting... Well I guess I should check out all the other boxes of silicone that I got a while back Thanks for sharing! Sharing is what this site is all about, going back to Jerry. 1 Quote Link to comment Share on other sites More sharing options...
Adamgold Posted March 8, 2019 Report Share Posted March 8, 2019 (edited) I ordered some and it was so thick I couldn’t get part A out of the bottle. The bottle was also collapsing in on itself when It arrived. Has that happened to anyone else? 3/8/2019 I just got off the phone with Amazon and they refunded me my order because it was so thick it was unusable. Oomoo 30 is sold by a third party through amazon so they are contacting them to say that it’s all expired. Edited March 8, 2019 by Adamgold Quote Link to comment Share on other sites More sharing options...
ravenlures Posted March 8, 2019 Report Share Posted March 8, 2019 Before you buy from Amazon try Dick Blicks better price and buy enough with paint or double your order get free shipping. Wayne 3 Quote Link to comment Share on other sites More sharing options...
TroutSupport.com Posted April 23, 2019 Report Share Posted April 23, 2019 Yeah it' s pretty thick stuff to begin with, thins a little after part b is added. But I can imagine getting a bad batch. I used to buy it direct and had great results with it. I used a vibrating toothbrush head to vibrate bubbles out of it. I'd do half the mold, then spray release over that, then do the other half with the second pour while the part was still in it. 1 Quote Link to comment Share on other sites More sharing options...
